$(".input3").focus(function() {
    $("#threeP").css("display", "block");
})
$(".input3").blur(function() {
    $("#threeP").css("display", "none");
})
$(".six").click(function() {
    let number = $(".input3").val();
    let pwd = $(".input4").val();
    if (number != null && pwd != null) {
        axios({
            method: "get",
            url: "http://127.0.0.1:8400/login",
            params: {
                name: number,
                pwd: pwd
            }
        }).then(response => {
            let user = response.data;
            if (user == false) {
                alert("账号未注册或账号密码错误");
            } else {
                console.log(user);
                window.location = "../homepage.html";
            }
        })
    } else {
        alert("填写信息");
    }
})